How much does a 0.20 - 0.49ct H SI1 lab grown princess diamond cost?

As of April 2026, 0.20 - 0.49ct H SI1 lab grown princess diamonds are available from ￥37,164 JPY to ￥11,279,851 JPY, with an average price of ￥499,877 JPY. There are currently 248 diamonds matching this specification available across retailers.

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0.20 - 0.49ct H SI1 Lab Grown Princess

As of April 2026, there are 248 lab grown princess diamonds with H color and SI1 clarity in the 0.20 - 0.49ct range available across retailers worldwide. Prices range from ￥37,164 JPY to ￥11,279,851 JPY, with an average of ￥499,877 JPY.

Last updated: April 2026

Available

248

Lowest Price

￥37,164 JPY

Highest Price

￥11,279,851 JPY

Average Price

￥499,877 JPY

Score Distribution

248 diamonds scored across 4 quality tiers

Excellent

29 (11.7%)

Very Good

60 (24.2%)

Good

74 (29.8%)

Average

85 (34.3%)

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Related Specifications

D IF D VVS1 D VVS2 D VS1 D VS2 D SI1 E IF E VVS1 E VVS2 E VS1 E VS2 E SI1 F IF F VVS1 F VVS2 F VS1 F VS2 F SI1 G IF G VVS1 G VVS2 G VS1 G VS2 G SI1 H IF H VVS1 H VVS2 H VS1 H VS2 H SI1 I IF I VVS1 I VVS2 I VS1 I VS2 I SI1